What is the great mosque in djenne coverd with?

The Great Mosque of Djenne, located in Mali, is primarily made of sun-baked mud bricks, known as adobe. Its striking exterior is coated with a mixture of mud and straw, which helps protect it from the elements. This unique construction technique is characteristic of the Sudano-Sahelian architectural style and contributes to the mosque's status as a UNESCO World Heritage site. The mosque is also adorned with wooden beams and torons, which serve both structural and decorative purposes.